<?php

namespace app\models;

use BaseComponents\base\ErrorCode;
use BaseComponents\base\Exception;
use yii\db\ActiveRecord;
use yii\web\IdentityInterface;

/**
 * @property int id
 * @property string password
 */
class User extends ActiveRecord  implements IdentityInterface
{

    /** 密码混淆前缀 */
    const PWD_PREFIX = '*123|321*';

    public static function tableName()
    {
        return 'users';
    }


    /**
     * Finds an identity by the given ID.
     * @param string|integer $id the ID to be looked for
     * @return IdentityInterface the identity object that matches the given ID.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     */
    public static function findIdentity($id)
    {
        return User::findOne(['id' => $id]);
    }

    /**
     * Finds an identity by the given token.
     * @param mixed $token the token to be looked for
     * @param mixed $type the type of the token. The value of this parameter depends on the implementation.
     * For example, [[\yii\filters\auth\HttpBearerAuth]] will set this parameter to be `yii\filters\auth\HttpBearerAuth`.
     * @return IdentityInterface the identity object that matches the given token.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        return null;
    }

    /**
     * 登录
     * @param $username
     * @param $password
     * @return bool
     * @throws Exception
     */
    public static function login($username, $password)
    {
        /** @var static $user */
        $user = self::findOne(['username' => $username]);

        if (empty($user) || $user->password != md5(self::PWD_PREFIX . $password)) {
            throw new Exception(ErrorCode::ERR_1002);
        }

        return static::getUser()->login($user, 24 * 3600);
    }

    /**
     * 获取当前用户对象
     * @return mixed|\yii\web\User
     */
    public static function getUser()
    {
        return \Yii::$app->user;
    }

    /**
     * Returns an ID that can uniquely identify a user identity.
     * @return string|integer an ID that uniquely identifies a user identity.
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Returns a key that can be used to check the validity of a given identity ID.
     *
     * The key should be unique for each individual user, and should be persistent
     * so that it can be used to check the validity of the user identity.
     *
     * The space of such keys should be big enough to defeat potential identity attacks.
     *
     * This is required if [[User::enableAutoLogin]] is enabled.
     * @return string a key that is used to check the validity of a given identity ID.
     * @see validateAuthKey()
     */
    public function getAuthKey()
    {
        return $this->id;
    }

    /**
     * Validates the given auth key.
     *
     * This is required if [[User::enableAutoLogin]] is enabled.
     * @param string $authKey the given auth key
     * @return boolean whether the given auth key is valid.
     * @see getAuthKey()
     */
    public function validateAuthKey($authKey)
    {
        return $this->id === $authKey;
    }
}